code: def setUp(self):
      import random
  
      random.seed(1951)
      with open(self.file_in_name, "wb") as file_in:
          for i in range(10000):
              file_in.write(bytes([random.randrange(0, 256)]))
  
file_path: keon-algos/tests/test_compression.py
imports: from algorithms.compression.huffman_coding import HuffmanCoding
  from algorithms.compression.rle_compression import decode_rle, encode_rle
  from algorithms.compression.elias import elias_gamma, elias_delta
  import unittest
label_desc: Use image node_id 2 for calling the TestHuffmanCoding obj's underlying member method code with example usage: obj.setUp() without return types